4) Colburn, N. and Mysak, E.: Developmental Disfluency and Emerging Grammar I.: Disfluency Characteristics in Early Syntactic Utterances. JSHR, 25: 414-420, 1982.
5) Colburn, N. and Mysak, E.: Developmental Disfluency and Emerging Grammar II: Co-occurence of Disfluency with Specified Semanticsyntactic Structures. JSHR, 25: 421-427, 1982.